that happened to me a few years ago...I was happily reading and discovered there were missing pages..I raced down to the local bookshop and bought another copy (because I am impatient) - the book had been a gift and the receipt was long gone...I took it into the city some weeks later and the bookshop refunded the money as the book was faulty and they could return it to their supplier for a refund....hope you get to find out what is on those pages!